Fatal error: Uncaught Error: Value of type null is not callable in /var/www/vhosts/bb-verpackungsshop.de/httpdocs/plugins/ws5_facebookpixel/vendor/webstollen/jtl5-core-plugin-library-v2_0_6/src/Bootstrap.php:2 Stack trace: #0 /var/www/vhosts/bb-verpackungsshop.de/httpdocs/includes/vendor/composer/ClassLoader.php(576): include() #1 /var/www/vhosts/bb-verpackungsshop.de/httpdocs/includes/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}() #2 /var/www/vhosts/bb-verpackungsshop.de/httpdocs/plugins/ws5_facebookpixel/Bootstrap.php(2) : eval()'d code(18): Composer\Autoload\ClassLoader->loadClass() #3 /var/www/vhosts/bb-verpackungsshop.de/httpdocs/plugins/ws5_facebookpixel/Bootstrap.php(2): eval() #4 /var/www/vhosts/bb-verpackungsshop.de/httpdocs/includes/vendor/composer/ClassLoader.php(576): include('...') #5 /var/www/vhosts/bb-verpackungsshop.de/httpdocs/includes/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}() #6 [internal function]: Composer\Autoload\ClassLoader->loadClass() #7 /var/www/vhosts/bb-verpackungsshop.de/httpdocs/includes/src/Plugin/Helper.php(490): class_exists() #8 /var/www/vhosts/bb-verpackungsshop.de/httpdocs/includes/src/Shop.php(456): JTL\Plugin\Helper::bootstrap() #9 /var/www/vhosts/bb-verpackungsshop.de/httpdocs/includes/globalinclude.php(71): JTL\Shop::bootstrap() #10 /var/www/vhosts/bb-verpackungsshop.de/httpdocs/index.php(7): require('...') #11 {main} thrown in /var/www/vhosts/bb-verpackungsshop.de/httpdocs/plugins/ws5_facebookpixel/vendor/webstollen/jtl5-core-plugin-library-v2_0_6/src/Bootstrap.php on line 2